Jan Weichsel, MD
NPI 1558776591 · Family Medicine Physician · Portland, OR
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jan Weichsel, MD is a Family Medicine Physician provider in Portland, OR (NPI 1558776591).
Provider details
- NPI number
- 1558776591
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 182318 (OR)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Nirmatrelvir/Ritonavirbrand: Paxlovid | 132 | 132 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 47 | 43 |
| Cephalexin | 46 | 44 |
| Amoxicillin | 45 | 45 |
| Doxycycline Monohydrate | 24 | 24 |
| Fluconazole | 21 | 17 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 13 | 12 |
Practice location
Mailing address
Additional practice locations (1)
- 200 W Arbor DrMc 8809San Diego, CA 92103-9000Phone: (619) 543-2165
Registry dates
- Enumerated
- 2014-06-28
- Last updated
- 2022-02-04
Frequently asked questions
- What is Jan Weichsel's NPI number?
- Jan Weichsel's National Provider Identifier (NPI) is 1558776591, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jan Weichsel's specialty?
- Jan Weichsel is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jan Weichsel located?
- Jan Weichsel's practice location on file with NPPES is 3550 N Interstate Ave, Portland, OR 97227-1196.
- What is Jan Weichsel's phone number?
- The practice phone number listed in the NPPES registry for Jan Weichsel is (503) 652-2888.
- Does Jan Weichsel accept Medicare?
- Jan Weichsel is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jan Weichsel's NPI active?
- Yes — Jan Weichsel's NPI (1558776591) is active in the NPPES registry as of the last update on 2022-02-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.